Release 4.7 fs/pstore/internal.h

#ifndef __PSTORE_INTERNAL_H__

#define __PSTORE_INTERNAL_H__

#include <linux/types.h>
#include <linux/time.h>
#include <linux/pstore.h>

#if NR_CPUS <= 2 && defined(CONFIG_ARM_THUMB)

#define PSTORE_CPU_IN_IP 0x1
#elif NR_CPUS <= 4 && defined(CONFIG_ARM)

#define PSTORE_CPU_IN_IP 0x3
#endif


struct pstore_ftrace_record {
	
unsigned long ip;
	
unsigned long parent_ip;
#ifndef PSTORE_CPU_IN_IP
	
unsigned int cpu;
#endif
};


static inline void

pstore_ftrace_encode_cpu(struct pstore_ftrace_record *rec, unsigned int cpu)
{
#ifndef PSTORE_CPU_IN_IP
	rec->cpu = cpu;
#else
	rec->ip |= cpu;
#endif
}

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static inline unsigned int

pstore_ftrace_decode_cpu(struct pstore_ftrace_record *rec)
{
#ifndef PSTORE_CPU_IN_IP
	return rec->cpu;
#else
	return rec->ip & PSTORE_CPU_IN_IP;
#endif
}

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#ifdef CONFIG_PSTORE_FTRACE
extern void pstore_register_ftrace(void);
extern void pstore_unregister_ftrace(void);
#else


static inline void pstore_register_ftrace(void) {}
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static inline void pstore_unregister_ftrace(void) {}
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#endif

#ifdef CONFIG_PSTORE_PMSG
extern void pstore_register_pmsg(void);
extern void pstore_unregister_pmsg(void);
#else


static inline void pstore_register_pmsg(void) {}
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static inline void pstore_unregister_pmsg(void) {}
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#endif

extern struct pstore_info *psinfo;

extern void	pstore_set_kmsg_bytes(int);
extern void	pstore_get_records(int);
extern int	pstore_mkfile(enum pstore_type_id, char *psname, u64 id,
			      int count, char *data, bool compressed,
			      size_t size, struct timespec time,
			      struct pstore_info *psi);
extern bool	pstore_is_mounted(void);

#endif
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Directory: fs/pstore

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